/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @author Sergey I. Salishev
 */
package org.apache.wikimark;

import java.io.IOException;
import java.io.Reader;
import java.io.Writer;

import org.apache.wikimark.http.AbstractPostRequest;

class RequestEmitter {
	
	private final RequestFormatter formatter;
	final Writer logger;
	private final Connectivity connectivity;

	RequestEmitter(Connectivity connectivity, RequestFormatter formatter, Writer logger) {
		this.formatter = formatter;
		this.logger = logger;
		this.connectivity = connectivity;
	}

	void emit(String id, String text) throws IOException {
   		Reader out = request(formatter.createRequest(id, text));
   		while (out.skip(Short.MAX_VALUE) > 0);
	}

	private Reader request(AbstractPostRequest request) throws IOException {
    	final Reader source = connectivity.requestPage(request);
    	return logger != null ? new OutputLogger(logger, source) : source;
	}

	Reader request(String id) throws IOException{
		return request(formatter.createRequest(id, null));
	}

}
